Abiturient-2019 ifodani soddalashtiring

A)

19. 60 kishilik guruh 25 kunga yetadigan oziq-ovqat bilan ta’minlangan edi.5 kundan keyin 10 kishi guruhni tark etdi . Qolgan oziq-ovqat necha kunga yetadi.

A)24 B)20 C)16 D)30

20. Ifodani soddalashtiring:

A) B) C) D)

_21. Hisoblang.

A)72 B) 24 C) 65 D) 56

22. 150000 sonining nechta natural bo’luvchisi mavjud?

A) 120 B) 100 C) 60 D) 20

23. Yog’ochni 4 bo’lakka aralash uchun 12 minut kerak. Shu yog’ochni 5 bo’lakka bo’lish uchun necha minut kerak bo’ladi?

A) 18 B) 15 C) 20 D) 16

24. bo’lsa, ko’paytmaning qiymatini toping.
A) . B). C) 1. D) .

25. 2¹⁰+3¹² yig`indining oxirgi raqamini toping.

A) 5 B) 9 C) 1 D)4

26. va bo’lsa a+b+c ni toping.

A) 5 B) 2,5 C) 2 D) aniqlab bo’lmaydi.

27.Hisoblang:

A)4036 B) C)4 D)2017

28.Hisoblang.

A) B) C) D)

29. 1,8,27,64,125,…. ketma – ketlikning 10 – hadini toping.

A) 1000 B)512 C)729 D)1331

30. Agar a+b va 5a-b o’zaro tub sonlar bo’lib, tenglik bajarilsa a sonini toping.

A)5 B) 6 C) 4 D) 3

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